Portable speaker



FIG. 1 is a front view of an embodiment of a portable speaker;

FIG. 2 is a rear view of the portable speaker shown in FIG. 1;

FIG. 3 is a right side view of the portable speaker shown in FIG. 1;

FIG. 4 is a left side view of the portable speaker shown in FIG. 1;

FIG. 5 is a top view of the portable speaker shown in FIG. 1;

FIG. 6 is a bottom view of the portable speaker shown in FIG. 1; and,

FIG. 7 is a perspective view of the portable speaker shown in FIG. 1.

The broken lines in FIGS. 1-7 are for environmental purposes only and donot form any part of the claimed design.

CLAIM The ornamental design for a portable speaker, as shown anddescribed.